掌上铜铝 app for iPhone and iPad 4.6 ( 5626 ratings ) Business Developer: lu hua Free Current version: 1.1.2, last update: 8 years ago First release : 20 Mar 2014 App size: 5.94 Mb 铜供应信息，铝供应信息,铜商家展示，铝商家展示，国内外铜铝展会信息，国内外最新铜，铝行业资讯